Leases - Lease costs and other lease information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Lease costs
Operating lease cost	$ 496	$ 623
Variable lease cost	233	197
Short-term lease cost	37	95
Finance lease cost
Interest on lease liabilities	8	12
Amortization of right-of-use assets	29	29
Sublease Income	(60)	(66)
Net lease cost	743	890
Cash paid for amounts included in the measurement of lease liabilities operating cash flows from operating leases	$ 487	618
Right-of-use assets obtained in exchange for new operating lease liabilities		$ 183

No definition available.

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- Definition

Amount of interest expense on finance lease liability.

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- Definition

Amount of amortization expense attributable to right-of-use asset from finance lease.

+ References

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- Definition

Amount of lease cost recognized by lessee for lease contract.

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No definition available.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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- Definition

Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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- Definition

Amount of sublease income excluding finance and operating lease expense.

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- Definition

Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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